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For canna grown outside (in California or Texas, for example), mealybugs and scale insects are most drawn to the dense folds and creases between the leaves and the stem/petiole, where the foliage attaches to the plant. At times, if left unchecked, these sucking-insects may remain effectively concealed in these tight areas, only for older or ...
Canna leaf roller refers to two different Lepidoptera species that are pests of cultivated cannas. Caterpillars of the Brazilian skipper butterfly ( Calpodes ethlius ), also known as the larger canna leaf roller, cut the leaves and roll them over to live inside while pupating and eating the leaf. [ 1 ]
The canna leaf roller butterfly (Calpodes ethlius) has been seen on Canna plants in the US. [22] It is a caterpillar known as the worst pest for this plant and primarily found in the Southern United States. This pest causes damages by laying its eggs in the bud of developing stalks.
The lower leaf pairs usually occur in an opposite leaf arrangement and the upper leaf pairs in an alternate arrangement on the main stem of a mature plant. The leaves have a peculiar and diagnostic venation pattern (which varies slightly among varieties) that allows for easy identification of Cannabis leaves from unrelated species with similar ...
Puccinia thaliae is the causal agent of canna rust, a fungal disease of Canna. Symptoms include yellow to tan spots on the plant's leaves and stems. Initial disease symptoms will result in scattered sori (clustered sporangia), eventually covering the entirety of the leaf with coalescing postulates.
The family Cannaceae has only one genus, Canna. It is a member of the Order Zingiberales ... Canna leaf roller; Canna virus; Cannaceae; Puccinia thaliae *
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This list of Canna cultivars is a gallery of named cultivars of plants in the genus Canna that ... which resulted in the very large leaves of the Foliage Group allied ...
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